Expert UV Disinfection Applications for Wastewater
Through extensive research, atg Evoqua has identified the need for a range of compact closed chamber UV systems, which are easy to install into a pipeline, can deal with a wide range of water qualities and offer a high output within a small footprint.
The advanced range of UV Disinfection systems for wastewater have successfully treated a wide range of fluids, in many different industries and have been installed on traditional and specialist wastewater treatment works worldwide.
All typical wastewater micro-organisms are rendered inactive with a correct dose of UV light; we maintain comprehensive databases of organisms and the UV dose required to achieve 1, 2, 3 or higher log removals.
Additionally, our leading compact, closed system design means municipal wastewater does not need to be disinfected using open channel UV systems. Open gravity flow channels suffer from many disadvantages: poor hydraulic mixing, very large footprint, expensive to build, high head loss and vulnerability to fluctuations in flow rate.
All of our UV treatment products are designed for insertion directly into a pipe. Our engineers will be pleased to demonstrate how a redundant chlorine contact tank can be used to house a new UV installation.
UV dose and System sizing are functions of flow rate, transmittance of the waste stream, microbial challenge, discharge consent, and degree of standby (if any).
Usually, a wastewater facility will operate the UV system seasonally and will sometimes isolate and bypass a UV facility when disinfection is not required to meet a discharge consent.
Wastewater applications include backwash water, screen washes, watershed management, stream discharge, storm-water overflows and, increasingly, the re-use of wastewater.
Applications for reuse include irrigation for agriculture, landscape and golf, and in coastal regions for direct injection into the aquifer. Aquifer Storage and Recovery (ASR) schemes are now being implemented in coastal and water-stressed areas around the world to prevent saline incursion into the aquifer.
Unlike filtration, Ultraviolet treatment actually reduces the total number of organisms in the environment without the use of chemicals. This avoids an increase in the toxicity of the water thereby helping to maintain the natural and sensitive balance of ecosystems worldwide.
NEW TO UV WATER TREATMENTS?
We are industry experts in the design, production & maintenance of ultraviolet disinfection/treatment systems.
Let our Experts Help Recommend the Right UV Treatment System Based on Your Process Requirements.
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